| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > domentr | Structured version Visualization version GIF version | ||
| Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.) |
| Ref | Expression |
|---|---|
| domentr | ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | endom 8990 | . 2 ⊢ (𝐵 ≈ 𝐶 → 𝐵 ≼ 𝐶) | |
| 2 | domtr 9018 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan2 605 | 1 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 class class class wbr 5103 ≈ cen 8954 ≼ cdom 8955 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-pow 5327 ax-pr 5391 ax-un 7740 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-f1o 6538 df-en 8958 df-dom 8959 |
| This theorem is used by: domdifsn 9063 xpdom1g 9077 domunsncan 9080 sdomdomtr 9113 domen2 9123 mapdom2 9151 unxpdom2 9235 sucxpdom 9236 xpfir 9243 cardsdomelir 10035 infxpenlem 10073 xpct 10076 infpwfien 10122 inffien 10123 mappwen 10172 iunfictbso 10174 djuxpdom 10245 cdainflem 10247 djuinf 10248 djulepw 10252 ficardun2 10261 unctb 10263 infdjuabs 10264 infunabs 10265 infdju 10266 infdif 10267 infxpdom 10269 pwdjudom 10274 infmap2 10276 fictb 10303 cfslb 10325 fin1a2lem11 10469 fnct 10601 fnctOLD 10602 unirnfdomd 10633 iunctb 10640 alephreg 10648 cfpwsdom 10650 gchdomtri 10695 canthp1lem1 10718 pwfseqlem5 10729 pwxpndom 10732 gchdjuidm 10734 gchxpidm 10735 gchpwdom 10736 gchhar 10745 inttsk 10840 inar1 10841 tskcard 10847 znnen 16360 qnnen 16361 rpnnen 16375 rexpen 16376 aleph1irr 16394 cygctb 20086 lindsdom 22136 1stcfb 23743 2ndcredom 23748 2ndcctbss 23754 hauspwdom 23800 tx2ndc 23950 met1stc 24820 met2ndci 24821 re2ndc 25100 opnreen 25131 ovolctb2 25793 ovolfi 25795 uniiccdif 25879 dyadmbl 25901 opnmblALT 25904 vitali 25914 mbfimaopnlem 25956 mbfsup 25965 aannenlem3 26639 dmvlsiga 34743 sigapildsys 34777 omssubadd 34915 carsgclctunlem3 34935 karddom 35802 finminlem 37076 phpreu 38495 mblfinlem1 38543 pellexlem4 43792 pellexlem5 43793 pr2dom 44486 tr3dom 44487 nnfoctb 46008 ioonct 46493 caragenunicl 47478 eufunclem 50573 aacllem 50883 |
| Copyright terms: Public domain | W3C validator |